Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK MFPN=TB00393900 Under tape pads from SRAM

Under tape pads from SRAM

5 Color Black/Cork Flange No Lock On Yes Weight 175 Grip Shift Specific No Defined Color Black Defined Color Tan Shape Ergo

DebonAir+ twin tube air spring strikes the perfect balance between butter-smooth small bump feel added support throughout the travel and taller ride height for confidence when things get steep

5" 15 x 110 mm Boost Spacing Diffusion Black

Durable and high quality

Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK MFPN=TB00393900 Under tape pads from SRAMShimano Ultegra RD R8150F Di2 Rear Derailleur 12 Speed Medium Cage Includes TL EW300 Black. With the fast and accurate Di2 shifting technology the Shimano 12 speed Ultegra RD R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11 28 11 30 and 11 34 cassettes. Compact design includes an integrated wireless unit charger switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator